In response to the outbreak of coronavirus disease 2019 (COVID-19), there have been substantial variations in policy response and performance for disease control and prevention within and across nations. It remains unclear to what extent these variations may be explained by bureaucrats'...

In response to the outbreak of coronavirus disease 2019 (COVID-19), there have been substantial variations in policy response and performance for disease control and prevention within and across nations. It remains unclear to what extent these variations may be explained by bureaucrats'...

Despite multilateral commitments and political statements of solidarity and cooperation to guarantee the availability and access to COVID-19 vaccines (and other relevant technologies for control and treatment), the scenario after the beginning of vaccination is marked by the deepening of vaccine...